Switching device



FIG. 1 is a front view of the switching device showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a front left side and top perspective thereof.

The broken lines in the drawings illustrate portions of the switching device that form no part of the claimed design. 

CLAIM The ornamental design for a switching device, as shown and described. 